// SPDX-License-Identifier: GPL-2.0-only /* * wm8958-dsp2.c -- WM8958 DSP2 support * * Copyright 2011 Wolfson Microelectronics plc * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <sound/soc.h> #include <sound/initval.h> #include <sound/tlv.h> #include <trace/events/asoc.h> #include <linux/mfd/wm8994/core.h> #include <linux/mfd/wm8994/registers.h> #include <linux/mfd/wm8994/pdata.h> #include <linux/mfd/wm8994/gpio.h> #include <asm/unaligned.h> #include "wm8994.h" #define WM_FW_BLOCK_INFO 0xff #define WM_FW_BLOCK_PM 0x00 #define WM_FW_BLOCK_X 0x01 #define WM_FW_BLOCK_Y 0x02 #define WM_FW_BLOCK_Z 0x03 #define WM_FW_BLOCK_I 0x06 #define WM_FW_BLOCK_A 0x08 #define WM_FW_BLOCK_C 0x0c static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name, const struct firmware *fw, bool check) { struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); u64 data64; u32 data32; const u8 *data; char *str; size_t block_len, len; int ret = 0; /* Suppress unneeded downloads */ if (wm8994->cur_fw == fw) return 0; if (fw->size < 32) { dev_err(component->dev, "%s: firmware too short (%zd bytes)\n", name, fw->size); goto err; } if (memcmp(fw->data, "WMFW", 4) != 0) { data32 = get_unaligned_be32(fw->data); dev_err(component->dev, "%s: firmware has bad file magic %08x\n", name, data32); goto err; } len = get_unaligned_be32(fw->data + 4); data32 = get_unaligned_be32(fw->data + 8); if ((data32 >> 24) & 0xff) { dev_err(component->dev, "%s: unsupported firmware version %d\n", name, (data32 >> 24) & 0xff); goto err; } if ((data32 & 0xffff) != 8958) { dev_err(component->dev, "%s: unsupported target device %d\n", name, data32 & 0xffff); goto err; } if (((data32 >> 16) & 0xff) != 0xc) { dev_err(component->dev, "%s: unsupported target core %d\n", name, (data32 >> 16) & 0xff); goto err; } if (check) { data64 = get_unaligned_be64(fw->data + 24); dev_info(component->dev, "%s timestamp %llx\n", name, data64); } else { snd_soc_component_write(component, 0x102, 0x2); snd_soc_component_write(component, 0x900, 0x2); } data = fw->data + len; len = fw->size - len; while (len) { if (len < 12) { dev_err(component->dev, "%s short data block of %zd\n", name, len); goto err; } block_len = get_unaligned_be32(data + 4); if (block_len + 8 > len) { dev_err(component->dev, "%zd byte block longer than file\n", block_len); goto err; } if (block_len == 0) { dev_err(component->dev, "Zero length block\n"); goto err; } data32 = get_unaligned_be32(data); switch ((data32 >> 24) & 0xff) { case WM_FW_BLOCK_INFO: /* Informational text */ if (!check) break; str = kzalloc(block_len + 1, GFP_KERNEL); if (str) { memcpy(str, data + 8, block_len); dev_info(component->dev, "%s: %s\n", name, str); kfree(str); } else { dev_err(component->dev, "Out of memory\n"); } break; case WM_FW_BLOCK_PM: case WM_FW_BLOCK_X: case WM_FW_BLOCK_Y: case WM_FW_BLOCK_Z: case WM_FW_BLOCK_I: case WM_FW_BLOCK_A: case WM_FW_BLOCK_C: dev_dbg(component->dev, "%s: %zd bytes of %x@%x\n", name, block_len, (data32 >> 24) & 0xff, data32 & 0xffffff); if (check) break; data32 &= 0xffffff; wm8994_bulk_write(wm8994->wm8994, data32 & 0xffffff, block_len / 2, (void *)(data + 8)); break; default: dev_warn(component->dev, "%s: unknown block type %d\n", name, (data32 >> 24) & 0xff); break; } /* Round up to the next 32 bit word */ block_len += block_len % 4; data += block_len + 8; len -= block_len + 8; } if (!check) { dev_dbg(component->dev, "%s: download done\n", name); wm8994->cur_fw = fw; } else { dev_info(component->dev, "%s: got firmware\n", name); } goto ok; err: ret = -EINVAL; ok: if (!check) { snd_soc_component_write(component, 0x900, 0x0); snd_soc_component_write(component, 0x102, 0x0); } return ret; } static void wm8958_dsp_start_mbc(struct snd_soc_component *component, int path) { struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; int i; /* If the DSP is already running then noop */ if (snd_soc_component_read(component, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA) return; /* If we have MBC firmware download it */ if (wm8994->mbc) wm8958_dsp2_fw(component, "MBC", wm8994->mbc, false); snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, WM8958_DSP2_ENA, WM8958_DSP2_ENA); /* If we've got user supplied MBC settings use them */ if (control->pdata.num_mbc_cfgs) { struct wm8958_mbc_cfg *cfg = &control->pdata.mbc_cfgs[wm8994->mbc_cfg]; for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++) snd_soc_component_write(component, i + WM8958_MBC_BAND_1_K_1, cfg->coeff_regs[i]); for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++) snd_soc_component_write(component, i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1, cfg->cutoff_regs[i]); } /* Run the DSP */ snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, WM8958_DSP2_RUNR); /* And we're off! */ snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, WM8958_MBC_ENA | WM8958_MBC_SEL_MASK, path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA); } static void wm8958_dsp_start_vss(struct snd_soc_component *component, int path) { struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; int i, ena; if (wm8994->mbc_vss) wm8958_dsp2_fw(component, "MBC+VSS", wm8994->mbc_vss, false); snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, WM8958_DSP2_ENA, WM8958_DSP2_ENA); /* If we've got user supplied settings use them */ if (control->pdata.num_mbc_cfgs) { struct wm8958_mbc_cfg *cfg = &control->pdata.mbc_cfgs[wm8994->mbc_cfg]; for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++) snd_soc_component_write(component, i + 0x2800, cfg->combined_regs[i]); } if (control->pdata.num_vss_cfgs) { struct wm8958_vss_cfg *cfg = &control->pdata.vss_cfgs[wm8994->vss_cfg]; for (i = 0; i < ARRAY_SIZE(cfg->regs); i++) snd_soc_component_write(component, i + 0x2600, cfg->regs[i]); } if (control->pdata.num_vss_hpf_cfgs) { struct wm8958_vss_hpf_cfg *cfg = &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg]; for (i = 0; i < ARRAY_SIZE(cfg->regs); i++) snd_soc_component_write(component, i + 0x2400, cfg->regs[i]); } /* Run the DSP */ snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, WM8958_DSP2_RUNR); /* Enable the algorithms we've selected */ ena = 0; if (wm8994->mbc_ena[path]) ena |= 0x8; if (wm8994->hpf2_ena[path]) ena |= 0x4; if (wm8994->hpf1_ena[path]) ena |= 0x2; if (wm8994->vss_ena[path]) ena |= 0x1; snd_soc_component_write(component, 0x2201, ena); /* Switch the DSP into the data path */ snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, WM8958_MBC_SEL_MASK | WM8958_MBC_ENA, path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA); } static void wm8958_dsp_start_enh_eq(struct snd_soc_component *component, int path) { struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; int i; wm8958_dsp2_fw(component, "ENH_EQ", wm8994->enh_eq, false); snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, WM8958_DSP2_ENA, WM8958_DSP2_ENA); /* If we've got user supplied settings use them */ if (control->pdata.num_enh_eq_cfgs) { struct wm8958_enh_eq_cfg *cfg = &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg]; for (i = 0; i < ARRAY_SIZE(cfg->regs); i++) snd_soc_component_write(component, i + 0x2200, cfg->regs[i]); } /* Run the DSP */ snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, WM8958_DSP2_RUNR); /* Switch the DSP into the data path */ snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, WM8958_MBC_SEL_MASK | WM8958_MBC_ENA, path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA); } static void wm8958_dsp_apply(struct snd_soc_component *component, int path, int start) { struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); int pwr_reg = snd_soc_component_read(component, WM8994_POWER_MANAGEMENT_5); int ena, reg, aif; switch (path) { case 0: pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA); aif = 0; break; case 1: pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA); aif = 0; break; case 2: pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA); aif = 1; break; default: WARN(1, "Invalid path %d\n", path); return; } /* Do we have both an active AIF and an active algorithm? */ ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] || wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] || wm8994->enh_eq_ena[path]; if (!pwr_reg) ena = 0; reg = snd_soc_component_read(component, WM8958_DSP2_PROGRAM); dev_dbg(component->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n", path, wm8994->dsp_active, start, pwr_reg, reg); if (start && ena) { /* If the DSP is already running then noop */ if (reg & WM8958_DSP2_ENA) return; /* If either AIFnCLK is not yet enabled postpone */ if (!(snd_soc_component_read(component, WM8994_AIF1_CLOCKING_1) & WM8994_AIF1CLK_ENA_MASK) && !(snd_soc_component_read(component, WM8994_AIF2_CLOCKING_1) & WM8994_AIF2CLK_ENA_MASK)) return; /* Switch the clock over to the appropriate AIF */ snd_soc_component_update_bits(component, WM8994_CLOCKING_1, WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA, aif << WM8958_DSP2CLK_SRC_SHIFT | WM8958_DSP2CLK_ENA); if (wm8994->enh_eq_ena[path]) wm8958_dsp_start_enh_eq(component, path); else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path]) wm8958_dsp_start_vss(component, path); else if (wm8994->mbc_ena[path]) wm8958_dsp_start_mbc(component, path); wm8994->dsp_active = path; dev_dbg(component->dev, "DSP running in path %d\n", path); } if (!start && wm8994->dsp_active == path) { /* If the DSP is already stopped then noop */ if (!(reg & WM8958_DSP2_ENA)) return; snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG, WM8958_MBC_ENA, 0); snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL, WM8958_DSP2_STOP); snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM, WM8958_DSP2_ENA, 0); snd_soc_component_update_bits(component, WM8994_CLOCKING_1, WM8958_DSP2CLK_ENA, 0); wm8994->dsp_active = -1; dev_dbg(component->dev, "DSP stopped\n"); } } int wm8958_aif_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct wm8994 *control = dev_get_drvdata(component->dev->parent); int i; if (control->type != WM8958) return 0; switch (event) { case SND_SOC_DAPM_POST_PMU: case SND_SOC_DAPM_PRE_PMU: for (i = 0; i < 3; i++) wm8958_dsp_apply(component, i, 1); break; case SND_SOC_DAPM_POST_PMD: case SND_SOC_DAPM_PRE_PMD: for (i = 0; i < 3; i++) wm8958_dsp_apply(component, i, 0); break; } return 0; } /* Check if DSP2 is in use on another AIF */ static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif) { int i; for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) { if (i == aif) continue; if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] || wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i]) return 1; } return 0; } static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; int value = ucontrol->value.enumerated.item[0]; int reg; /* Don't allow on the fly reconfiguration */ reg = snd_soc_component_read(component, WM8994_CLOCKING_1); if (reg < 0 || reg & WM8958_DSP2CLK_ENA) return -EBUSY; if (value >= control->pdata.num_mbc_cfgs) return -EINVAL; wm8994->mbc_cfg = value; return 0; } static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg; return 0; } static int wm8958_mbc_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int wm8958_mbc_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int mbc = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc]; return 0; } static int wm8958_mbc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int mbc = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0]) return 0; if (ucontrol->value.integer.value[0] > 1) return -EINVAL; if (wm8958_dsp2_busy(wm8994, mbc)) { dev_dbg(component->dev, "DSP2 active on %d already\n", mbc); return -EBUSY; } if (wm8994->enh_eq_ena[mbc]) return -EBUSY; wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0]; wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]); return 1; } #define WM8958_MBC_SWITCH(xname, xval) {\ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ .info = wm8958_mbc_info, \ .get = wm8958_mbc_get, .put = wm8958_mbc_put, \ .private_value = xval } static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; int value = ucontrol->value.enumerated.item[0]; int reg; /* Don't allow on the fly reconfiguration */ reg = snd_soc_component_read(component, WM8994_CLOCKING_1); if (reg < 0 || reg & WM8958_DSP2CLK_ENA) return -EBUSY; if (value >= control->pdata.num_vss_cfgs) return -EINVAL; wm8994->vss_cfg = value; return 0; } static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); ucontrol->value.enumerated.item[0] = wm8994->vss_cfg; return 0; } static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; int value = ucontrol->value.enumerated.item[0]; int reg; /* Don't allow on the fly reconfiguration */ reg = snd_soc_component_read(component, WM8994_CLOCKING_1); if (reg < 0 || reg & WM8958_DSP2CLK_ENA) return -EBUSY; if (value >= control->pdata.num_vss_hpf_cfgs) return -EINVAL; wm8994->vss_hpf_cfg = value; return 0; } static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg; return 0; } static int wm8958_vss_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int wm8958_vss_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int vss = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wm8994->vss_ena[vss]; return 0; } static int wm8958_vss_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int vss = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0]) return 0; if (ucontrol->value.integer.value[0] > 1) return -EINVAL; if (!wm8994->mbc_vss) return -ENODEV; if (wm8958_dsp2_busy(wm8994, vss)) { dev_dbg(component->dev, "DSP2 active on %d already\n", vss); return -EBUSY; } if (wm8994->enh_eq_ena[vss]) return -EBUSY; wm8994->vss_ena[vss] = ucontrol->value.integer.value[0]; wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]); return 1; } #define WM8958_VSS_SWITCH(xname, xval) {\ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ .info = wm8958_vss_info, \ .get = wm8958_vss_get, .put = wm8958_vss_put, \ .private_value = xval } static int wm8958_hpf_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int wm8958_hpf_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int hpf = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (hpf < 3) ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3]; else ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3]; return 0; } static int wm8958_hpf_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int hpf = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (hpf < 3) { if (wm8994->hpf1_ena[hpf % 3] == ucontrol->value.integer.value[0]) return 0; } else { if (wm8994->hpf2_ena[hpf % 3] == ucontrol->value.integer.value[0]) return 0; } if (ucontrol->value.integer.value[0] > 1) return -EINVAL; if (!wm8994->mbc_vss) return -ENODEV; if (wm8958_dsp2_busy(wm8994, hpf % 3)) { dev_dbg(component->dev, "DSP2 active on %d already\n", hpf); return -EBUSY; } if (wm8994->enh_eq_ena[hpf % 3]) return -EBUSY; if (hpf < 3) wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0]; else wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0]; wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]); return 1; } #define WM8958_HPF_SWITCH(xname, xval) {\ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ .info = wm8958_hpf_info, \ .get = wm8958_hpf_get, .put = wm8958_hpf_put, \ .private_value = xval } static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; int value = ucontrol->value.enumerated.item[0]; int reg; /* Don't allow on the fly reconfiguration */ reg = snd_soc_component_read(component, WM8994_CLOCKING_1); if (reg < 0 || reg & WM8958_DSP2CLK_ENA) return -EBUSY; if (value >= control->pdata.num_enh_eq_cfgs) return -EINVAL; wm8994->enh_eq_cfg = value; return 0; } static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg; return 0; } static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int eq = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq]; return 0; } static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { int eq = kcontrol->private_value; struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0]) return 0; if (ucontrol->value.integer.value[0] > 1) return -EINVAL; if (!wm8994->enh_eq) return -ENODEV; if (wm8958_dsp2_busy(wm8994, eq)) { dev_dbg(component->dev, "DSP2 active on %d already\n", eq); return -EBUSY; } if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] || wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq]) return -EBUSY; wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0]; wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]); return 1; } #define WM8958_ENH_EQ_SWITCH(xname, xval) {\ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\ .info = wm8958_enh_eq_info, \ .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \ .private_value = xval } static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = { WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0), WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1), WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2), }; static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = { WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0), WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1), WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2), WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0), WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1), WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2), WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3), WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4), WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5), }; static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = { WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0), WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1), WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2), }; static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context) { struct snd_soc_component *component = context; struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (fw && (wm8958_dsp2_fw(component, "ENH_EQ", fw, true) == 0)) { mutex_lock(&wm8994->fw_lock); wm8994->enh_eq = fw; mutex_unlock(&wm8994->fw_lock); } } static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context) { struct snd_soc_component *component = context; struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (fw && (wm8958_dsp2_fw(component, "MBC+VSS", fw, true) == 0)) { mutex_lock(&wm8994->fw_lock); wm8994->mbc_vss = fw; mutex_unlock(&wm8994->fw_lock); } } static void wm8958_mbc_loaded(const struct firmware *fw, void *context) { struct snd_soc_component *component = context; struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); if (fw && (wm8958_dsp2_fw(component, "MBC", fw, true) == 0)) { mutex_lock(&wm8994->fw_lock); wm8994->mbc = fw; mutex_unlock(&wm8994->fw_lock); } } void wm8958_dsp2_init(struct snd_soc_component *component) { struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component); struct wm8994 *control = wm8994->wm8994; struct wm8994_pdata *pdata = &control->pdata; int ret, i; wm8994->dsp_active = -1; snd_soc_add_component_controls(component, wm8958_mbc_snd_controls, ARRAY_SIZE(wm8958_mbc_snd_controls)); snd_soc_add_component_controls(component, wm8958_vss_snd_controls, ARRAY_SIZE(wm8958_vss_snd_controls)); snd_soc_add_component_controls(component, wm8958_enh_eq_snd_controls, ARRAY_SIZE(wm8958_enh_eq_snd_controls)); /* We don't *require* firmware and don't want to delay boot */ request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, "wm8958_mbc.wfw", component->dev, GFP_KERNEL, component, wm8958_mbc_loaded); request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, "wm8958_mbc_vss.wfw", component->dev, GFP_KERNEL, component, wm8958_mbc_vss_loaded); request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, "wm8958_enh_eq.wfw", component->dev, GFP_KERNEL, component, wm8958_enh_eq_loaded); if (pdata->num_mbc_cfgs) { struct snd_kcontrol_new mbc_control[] = { SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum, wm8958_get_mbc_enum, wm8958_put_mbc_enum), }; /* We need an array of texts for the enum API */ wm8994->mbc_texts = kmalloc_array(pdata->num_mbc_cfgs, sizeof(char *), GFP_KERNEL); if (!wm8994->mbc_texts) return; for (i = 0; i < pdata->num_mbc_cfgs; i++) wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name; wm8994->mbc_enum.items = pdata->num_mbc_cfgs; wm8994->mbc_enum.texts = wm8994->mbc_texts; ret = snd_soc_add_component_controls(wm8994->hubs.component, mbc_control, 1); if (ret != 0) dev_err(wm8994->hubs.component->dev, "Failed to add MBC mode controls: %d\n", ret); } if (pdata->num_vss_cfgs) { struct snd_kcontrol_new vss_control[] = { SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum, wm8958_get_vss_enum, wm8958_put_vss_enum), }; /* We need an array of texts for the enum API */ wm8994->vss_texts = kmalloc_array(pdata->num_vss_cfgs, sizeof(char *), GFP_KERNEL); if (!wm8994->vss_texts) return; for (i = 0; i < pdata->num_vss_cfgs; i++) wm8994->vss_texts[i] = pdata->vss_cfgs[i].name; wm8994->vss_enum.items = pdata->num_vss_cfgs; wm8994->vss_enum.texts = wm8994->vss_texts; ret = snd_soc_add_component_controls(wm8994->hubs.component, vss_control, 1); if (ret != 0) dev_err(wm8994->hubs.component->dev, "Failed to add VSS mode controls: %d\n", ret); } if (pdata->num_vss_hpf_cfgs) { struct snd_kcontrol_new hpf_control[] = { SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum, wm8958_get_vss_hpf_enum, wm8958_put_vss_hpf_enum), }; /* We need an array of texts for the enum API */ wm8994->vss_hpf_texts = kmalloc_array(pdata->num_vss_hpf_cfgs, sizeof(char *), GFP_KERNEL); if (!wm8994->vss_hpf_texts) return; for (i = 0; i < pdata->num_vss_hpf_cfgs; i++) wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name; wm8994->vss_hpf_enum.items = pdata->num_vss_hpf_cfgs; wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts; ret = snd_soc_add_component_controls(wm8994->hubs.component, hpf_control, 1); if (ret != 0) dev_err(wm8994->hubs.component->dev, "Failed to add VSS HPFmode controls: %d\n", ret); } if (pdata->num_enh_eq_cfgs) { struct snd_kcontrol_new eq_control[] = { SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum, wm8958_get_enh_eq_enum, wm8958_put_enh_eq_enum), }; /* We need an array of texts for the enum API */ wm8994->enh_eq_texts = kmalloc_array(pdata->num_enh_eq_cfgs, sizeof(char *), GFP_KERNEL); if (!wm8994->enh_eq_texts) return; for (i = 0; i < pdata->num_enh_eq_cfgs; i++) wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name; wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs; wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts; ret = snd_soc_add_component_controls(wm8994->hubs.component, eq_control, 1); if (ret != 0) dev_err(wm8994->hubs.component->dev, "Failed to add enhanced EQ controls: %d\n", ret); } }